popover: Don't create transient CSS nodes
popover: Don't create transient CSS nodes

There is no need to save the style context here.

grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita,grubersjoe/adwaita